Clutch



Aug. 25 1925. 1,551,423

M. A. NETTER CLUTCH Filed Oct. 7, 1921 Inuentor:

- Milton A l t f'y ,Qy W

appear.

1 Patented Aug 2 5, 1925, I h Y 1,551,423

UNITED STATES PATENT OFFICE.

CLUTCH.

Application fi1ed October 7, 1921. Serial No. 506,134.

To all whom it may concern proximately to the interior curvature of the Be it known that I, MILTON A. NETTER, a hub. I citizen of the United States, and resident of The enlarged and correspondingly heavier Toledo, in the county of Lucas and State of portion ofthe clutch will act as a weight and 5 Ohio, have invented certain new and useful cause it to tend to assume a vertically pend- Improvements in Clutches, ofwhich the folant position, when the cranked portion 3 is lowing is a specification. elevated and the shaft stationary in which My said invention relates to improvements position the, lower curved face of the clutch in clutches designed to connect-together two member will be free from the inner face 10 rotatable elements to transmit driving moof the hub which can then rotate freely in tion from one to the other, and the invention either direction. When, however, power is aims to provide an extremely simple, duapplied to rotate the shaft 3 in either direc-' rable, economical and efficient double acting tion, the turning of the eccentric portion will construction as will hereinafter more fully force the clutch or shoe downwardly into frictional locking contact with the inner sur- The invention includes the novel features face of the hub and the hub and shaft will of construction and arrangement and combe caused to-rotate together. bination of parts hereinafter described and The holdingof the shaft stationary will particularlydefined by the appended claim. effect a reverse action and release the clutch.

20 My invention is illustrated in the accom Having thus described my invention what panying drawings in which a v I claim is: s V I Figure 1 is an elevation, partly in section In combination, bicycle frame members, a showing a bicycle clutch constructed in achollow hub having spoke attaching flanges cordance with my invention. 7 on its outer periphery and a reduced interior 5 25 Fig. 2 is asection on line 22 of Fig. 1. portion underlying the spoke attaching Referring by reference characters to these flanges, journa pieces occupying the redrawings the numeral 1 designatesa bicycle duced portions of said hollow hub having hub'journaled in suitable bearings in the axial extensions and central apertures, frame members 2. bearings. mounted upon and surrounding 30 J ournaled within the hub is a drive shaft said axial extensions, said frame members 3 which may be provided with anysuitable covering said bearings and also provided power applying means, such as cranks 4 and with apertures, a drive shaft penetrating the this shaft has aslightly cranked or eccentric frame 'Inembers and; the journal pieces and g portion 8a from hich is pendantly suphaving'a bent eccentric portion centrally lo'-' 1 V 35 ported a clutch member 5. This clutch memcated and a pendant clutch member engagber has an upper portion provided with an ing said eccentric portion of the drive shaft eye or opening which is rotatably engaged and adapted to engage the interior tubular by the cranked or eccentric portion of the face of the hub upon rotation of the drive shaft, and an enlarged lower portion 5', Shaft.

40 which is preferably widenedand elongated In testimony whereof I affix'my signature.

and has a curved exterior corresponding ap- MILTON A. NETTER. 

